6543236002 has 16 divisors (see below), whose sum is σ = 10061695224. Its totient is φ = 3189456000.

The previous prime is 6543235973. The next prime is 6543236003. The reversal of 6543236002 is 2006323456.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4838454481 + 1704781521 = 69559^2 + 41289^2 .

It is not an unprimeable number, because it can be changed into a prime (6543236003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84352 + ... + 142132.

Almost surely, 2^6543236002 is an apocalyptic number.

6543236002 is a deficient number, since it is larger than the sum of its proper divisors (3518459222).

6543236002 is a wasteful number, since it uses less digits than its factorization.

6543236002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59205.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 6543236002 is about 80890.2713680700. The cubic root of 6543236002 is about 1870.3843569234.

Adding to 6543236002 its reverse (2006323456), we get a palindrome (8549559458).

The spelling of 6543236002 in words is "six billion, five hundred forty-three million, two hundred thirty-six thousand, two".